Y.S. Organic Bee Farms, 50% Super Strength Propolis Tincture Extract, 1 fl oz (30 ml) by Y.S. Eco Bee Farms Go to amazon.com Related posts The 6 best propolis extract organic Top 13 recommendation propolis tincture organic for 2022 FeatureY.S. Organic Bee Farms, 50% Super Strength Propolis Tincture Extract, 1 fl oz (30 ml)1 oz. DescriptionFull Potency Bioflavonoids;50% Super Strength